CALL: A.WIHARTA 081294124885 085778084789 087784022201 Karya Mandiri Instrument indonesia adalah supplier peralatan laboratorium baik eletronik maupun mekanik, serta berbagai macam instrument measurement, dengan didukung dari berbagai macam merk dari negara negara Eropa, US, dan beberapa negara di Asia seperti Korea, Japan dan Taiwan. Instrument yang kami sediakan seperti : Anemometer, Analitical Balance, Spectrophotometer, pHmeter, Laser survey, Micropipette, Peristaltic Pump, Flame photometer, Water bath heating cooling, Colorimeter, Water Strirer, Viscometer. Freezers, Refractometer, Polarimeter, Sound Level meter, Tachometer. Dll Kami juga menerima jasa service dan kalibrasi untuk peralatan laboratorium sesuai kemampuan kami.   The Extech 407790 Real Time Octave Band Analyzer auto ranging Type 2 integrating sound level meter features 1/ 1 and 1/ 3 Octave Band real-time noise analyses. The 407790 offers five measurement parameters: SPL, Leq, LE, Lmax, and Lmin. The built-in memory stores 12, 280 data records in sound level mode and 1024 records in Octave mode. The stored data can be easily transferred to a PC with the supplied software and RS-232 cable. The Extech 407790 permits choice of A, C, or Flat weighting and Slow / Fast response times. AC and DC analog output signals are available for chart recorders and other external recording devices. Extech 407790 Features: Wide 100dB range of 30 to 130dB 160 x160 dot matrix backlit LCD displays Leq, LE, Lmax, Lmin and Lp Built-in memory stores up to 12, 280 records in SLM mode and 1024 data points in 1/ 1 or 1/ 3 octave mode Stored data can be easily transferred to a PC via RS-232 interface and analyzed using software & cable provided A, C and Flat weighting with Fast or Slow response 25Hz to 10kHz frequency response Meets ANSI and IEC Type 2 standards Internal self test when powered ON Detachable 0.52 " ( 13.2mm) diameter condenser microphone and Tripod mount provided on rear Analog AC/ DC recorder output Real time clock with Year, Month, Day, Hour, Minute and Second display Optional microphone extension cable for measurements in enclosures and other remote locations ( 407764-EXT) Complete with microphone wind cover, PC software on CD, Serial cable, four type C size batteries, adjustment screwdriver, 120VAC adaptor and carrying case